CVE-2020-9543 : Security Advisory and Response

OpenStack Manila <7.4.1, >=8.0.0 <8.1.1, and >=9.0.0 <9.1.1 allows attackers to view, update, delete, or share resources that do not belong to them due to a context-free lookup of a UUID. Attackers may also create resources like shared file systems and groups of shares on such share networks.

Understanding CVE-2020-9543

OpenStack Manila vulnerability allowing unauthorized access and manipulation of resources.

What is CVE-2020-9543?

OpenStack Manila versions mentioned are susceptible to unauthorized access and manipulation of resources by attackers exploiting a UUID lookup vulnerability.

The Impact of CVE-2020-9543

Attackers can view, update, delete, or share resources not belonging to them
Unauthorized creation of shared file systems and share groups on affected networks

Technical Details of CVE-2020-9543

OpenStack Manila vulnerability details.

Vulnerability Description

The vulnerability allows attackers to perform unauthorized actions on resources due to a context-free lookup of a UUID.

Affected Systems and Versions

Versions <7.4.1, >=8.0.0 <8.1.1, and >=9.0.0 <9.1.1 of OpenStack Manila

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating UUIDs to access and manipulate resources.

Mitigation and Prevention

Protecting systems from CVE-2020-9543.

Immediate Steps to Take

Update OpenStack Manila to versions not affected by the vulnerability
Implement access controls and proper authentication mechanisms

Long-Term Security Practices

Regular security audits and vulnerability assessments
Employee training on secure coding practices

Patching and Updates

Apply patches provided by OpenStack to fix the vulnerability